:root{font-family:Inter,ui-sans-serif,system-ui,sans-serif;color:#18312f;background:#f2f5f2;font-synthesis:none}*{box-sizing:border-box}body{margin:0}header{padding:22px 5%;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #d9e2da;background:#fff}.brand{font-size:22px;color:#173c35;text-decoration:none}.badge,#status{font-size:12px;border:1px solid #bed1c4;border-radius:24px;padding:8px 13px;background:#e9f1eb}main{max-width:1400px;margin:auto;padding:44px 5%}.heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px}.eyebrow{font-size:11px;letter-spacing:2px;color:#527266;font-weight:700}h1{font-size:38px;letter-spacing:-1.5px;margin:8px 0}h2{font-size:17px;margin:0 0 14px}p{line-height:1.6;color:#5a7069}.card{background:white;border:1px solid #dbe4dc;border-radius:18px;padding:24px;margin-bottom:20px;box-shadow:0 5px 20px #25433005}.grid{display:grid;grid-template-columns:1.2fr 1fr;gap:20px}.toolbar{display:flex;gap:10px;margin:22px 0;flex-wrap:wrap}button,.file{font:inherit;font-size:13px;font-weight:600;padding:11px 16px;border:1px solid #cbd9cf;border-radius:9px;background:#fff;color:#254c40;cursor:pointer;display:inline-block;margin:3px}button:hover,.file:hover{background:#eef5ef}button:disabled{opacity:.45;cursor:default}.primary{background:#235d48;color:#fff;border-color:#235d48}.primary:hover{background:#194634}.danger{color:#a23b32;margin-left:auto}.video-box{background:#102b25;aspect-ratio:4/3;border-radius:12px;position:relative;overflow:hidden}video{width:100%;height:100%;object-fit:contain}.video-box p{position:absolute;inset:45% 0;text-align:center;color:#b2cabf;pointer-events:none}canvas{width:100%;background:#06100d;border-radius:12px;touch-action:none;aspect-ratio:4/3}.panel-title{display:flex;justify-content:space-between;gap:10px}.panel-title span,.hint{font-size:12px;color:#718278}.footnote{font-size:12px;margin-top:30px}label{display:block;margin:16px 0;font-size:13px}input,select{display:block;width:100%;max-width:700px;padding:10px;margin-top:8px;border:1px solid #ccd9cf;border-radius:7px;font:inherit}input[type=file]{display:none}a{color:#23664b}#error{color:#a1372f;font-weight:600}[hidden]{display:none!important}@media(max-width:850px){.grid{grid-template-columns:1fr}h1{font-size:29px}.heading{align-items:flex-start;gap:12px}main{padding-top:25px}.badge{display:none}}

.tool-row{display:flex;gap:12px}.tool-row label{flex:1;min-width:0}input[type=checkbox]{display:inline;width:auto;margin:0 6px 0 0}.notice{background:#eaf3df;border-left:3px solid #567c38;padding:10px 14px;font-size:13px}details{margin-top:20px}pre{white-space:pre-wrap;font-size:12px}#duration{align-self:center;font-variant-numeric:tabular-nums;margin:0 12px}#invite{padding:16px 24px}#invite input{font-size:12px}button:focus-visible,a:focus-visible,select:focus-visible,input:focus-visible{outline:3px solid #4c8c6b;outline-offset:3px}

.library>summary{font-size:17px;font-weight:700;cursor:pointer}.library>summary .hint{margin-left:14px;font-weight:400}.library-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:14px}.library-item{padding:18px;border:1px solid #dbe4dc;border-radius:12px;background:#f8faf8}.library-item h3{margin:0;font-size:16px;overflow-wrap:anywhere}.library-item p{margin:9px 0}.card-preview{white-space:pre-wrap;overflow-wrap:anywhere;max-height:180px;overflow:auto;font-size:14px}.library-error{color:#a1372f}textarea{display:block;width:100%;max-width:700px;padding:10px;border:1px solid #ccd9cf;border-radius:7px;font:inherit;margin-top:8px;resize:vertical}#library-file{display:block}textarea:focus-visible{outline:3px solid #4c8c6b;outline-offset:3px}.library details{border-top:1px solid #dbe4dc;padding-top:16px}.library summary:focus-visible{outline:3px solid #4c8c6b;outline-offset:3px}

.procedure-panel{border:1px solid #b8cdbc;background:#f2f7ef;border-radius:12px;padding:16px;margin-top:16px}.procedure-panel h3{margin:0;font-size:16px}.procedure-panel ol{padding-left:22px;font-size:13px;line-height:1.6;max-height:180px;overflow:auto}.procedure-panel li[aria-current]{font-weight:700;color:#194634}.procedure-panel button{padding:9px 11px}.procedure-panel p{overflow-wrap:anywhere}#procedure-summary{font-weight:600;font-size:13px}
@font-face{font-family:Inter;src:url('/brand/Inter.ttf') format('truetype');font-weight:100 900;font-display:swap}
:root{color:#003153;background:#f5f7fb}.brand img{width:300px;max-width:55vw;height:auto}.primary{background:#007e87;border-color:#007e87}.primary:hover{background:#006970}p{color:#54636f}a{color:#007e87}.eyebrow{color:#007e87}.card{border-color:#ccd8e2;border-radius:8px;box-shadow:0 8px 26px #0031530c}button,input,select,textarea{border-radius:6px;border-color:#738592;color:#003153}button:hover{background:#f1f9f9}.primary{color:white}.notice{background:#f1f9f9;border-left-color:#007e87}.badge,#status{background:#e8effb;border-color:#ccd8e2}.video-box{background:#003153}.account-bar{padding:14px 5%;background:#e8effb;font-size:13px}.account-bar a{margin-left:15px}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #007e87;outline-offset:3px}.admin-grid{display:grid;grid-template-columns:300px 1fr;gap:24px}.admin-grid input,.admin-grid select{max-width:none}.user-row{display:grid;grid-template-columns:minmax(170px,1fr) 110px 120px auto;gap:12px;align-items:center;border-top:1px solid #ccd8e2;padding:16px 0}.user-row select{margin:0}.user-email{overflow-wrap:anywhere}.audit-row{font-size:13px;border-top:1px solid #ccd8e2;padding:12px 0}.admin-stats{display:flex;gap:14px;flex-wrap:wrap}.admin-stats span{background:#f1f9f9;border:1px solid #ccd8e2;padding:15px;border-radius:6px}#admin-message{white-space:pre-wrap}button:disabled{opacity:1;background:#edf0f2;color:#667781;border-color:#ccd8e2}.admin-error{color:#b42332}.inquiry{border-top:1px solid #ccd8e2;padding:18px 0}.inquiry p{white-space:pre-wrap;overflow-wrap:anywhere}@media(max-width:950px){.admin-grid{grid-template-columns:1fr}.user-row{grid-template-columns:1fr 1fr}.user-email{grid-column:1/-1}}

.app-language{margin:0 0 0 16px;max-width:220px}.app-language select{margin:0;width:auto;min-width:130px;background:white;padding:10px 30px 10px 12px}.language-status{display:block;font-size:12px}.language-status:empty{display:none}@media(max-width:600px){header{flex-wrap:wrap;gap:12px}.app-language{margin:0}.brand img{max-width:65vw}}

/* Mentor workspace: compact chrome, clear hierarchy, quiet motion. */
:root{--ink:#003153;--muted:#526775;--line:#d7e1e7;--accent:#007e87;--surface:#fff;background:#f3f6f8;color:var(--ink);font-size:14px}
body{line-height:1.5}header{min-height:80px;padding:18px max(28px,calc((100vw - 1320px)/2));gap:24px;border-color:var(--line)}.brand{display:flex;align-items:center;margin-right:auto}.brand img{width:202px;max-width:45vw;display:block}header>a:not(.brand){font-size:13px;text-underline-offset:4px}.badge,#status{font-size:12px;font-weight:500;padding:6px 11px;border-radius:5px;background:#eef4f6;border-color:var(--line);white-space:nowrap}.account-bar{display:flex;align-items:center;justify-content:flex-end;gap:18px;padding:10px max(28px,calc((100vw - 1320px)/2));min-height:54px;background:#fff;border-bottom:1px solid var(--line);color:var(--muted);font-size:12px;flex-wrap:wrap}.account-bar a{margin:0;text-underline-offset:4px}.account-bar button{min-height:32px;padding:5px 10px;font-size:12px;border-color:transparent;background:transparent}
main{max-width:1376px;padding:28px;margin:0 auto}.toolbar{gap:8px;margin:20px 0;align-items:center}#workspace-nav{margin:0 0 32px;border-bottom:1px solid var(--line);gap:24px}#workspace-nav button{border:0;border-bottom:2px solid transparent;border-radius:0;background:none;padding:12px 0;color:var(--muted);min-height:48px}#workspace-nav button[aria-pressed=true]{color:var(--ink);border-bottom-color:var(--accent)}#workspace-nav button:hover{color:var(--accent)}.heading{margin-bottom:28px;gap:24px}.heading p{margin:8px 0 0}.eyebrow{font-size:10px;letter-spacing:1.4px;font-weight:600;margin:0 0 8px}h1{font-size:30px;line-height:1.2;letter-spacing:-.8px;font-weight:650;margin:8px 0 12px}h2{font-size:16px;line-height:1.4;font-weight:650;margin:0 0 12px}h3{font-weight:600}p{color:var(--muted);line-height:1.65}.card{border:1px solid var(--line);border-radius:10px;padding:24px;margin-bottom:20px;background:var(--surface);box-shadow:0 2px 3px #00315304,0 8px 24px #00315306}.card>p:first-of-type{margin-top:0}.grid{gap:20px;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr)}.grid>.card{min-width:0}#setup{padding:28px}#setup p{max-width:690px;margin-bottom:20px}#setup button{min-width:150px}
button,.file{margin:0;min-height:42px;padding:10px 14px;line-height:20px;font-size:13px;font-weight:550;border:1px solid #b9c8d2;border-radius:6px;background:#fff;color:var(--ink);transition:background .16s,border-color .16s,box-shadow .16s,transform .12s;vertical-align:middle}button:not(:disabled):hover,.file:hover{background:#edf5f6;border-color:#799fa9;box-shadow:0 2px 4px #00315309}button:not(:disabled):active,.file:active{transform:translateY(1px);box-shadow:none}.primary{background:var(--accent);color:#fff;border-color:var(--accent);box-shadow:0 2px 3px #00315310}.primary:not(:disabled):hover{background:#006b73;border-color:#006b73;color:#fff}.danger{color:#a12d3d;border-color:#dcc1c7;margin-left:auto}.danger:not(:disabled):hover{background:#fff1f2;border-color:#bd7783}button:disabled{background:#f2f5f7;color:#73828d;border-color:#e0e6eb;cursor:not-allowed;box-shadow:none}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible,.file:focus-within{outline:2px solid var(--accent);outline-offset:3px}
label{font-size:13px;font-weight:500;margin:18px 0;color:var(--ink)}input,select,textarea{min-height:42px;padding:10px 12px;margin-top:7px;border:1px solid #b9c8d2;background:#fff;color:var(--ink);border-radius:6px;font-size:14px;transition:border-color .15s,box-shadow .15s}input:hover,select:hover,textarea:hover{border-color:#72929f}input:focus,select:focus,textarea:focus{border-color:var(--accent)}input[readonly]{background:#f3f6f8;color:var(--muted)}input[type=checkbox]{min-height:0;width:16px;height:16px;vertical-align:-3px;accent-color:var(--accent)}input[type=file]{min-height:0}.app-language{margin:0;max-width:200px}.app-language select{min-width:132px;font-size:13px;padding:9px 28px 9px 12px;border-color:var(--line)}.hint,.panel-title span{color:#5b7180;font-size:12px;font-weight:400}.notice{background:#edf5f6;border-left:2px solid #82aeb3;border-radius:0 4px 4px 0;padding:12px 16px;font-size:12px;line-height:1.65}.footnote{border-top:1px solid var(--line);padding-top:18px;margin-top:28px;font-size:11px;color:#617480}
summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:12px;min-height:44px;font-size:14px;font-weight:600}summary::-webkit-details-marker{display:none}summary:after{content:'';height:7px;width:7px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg);margin-left:auto;margin-right:4px;flex-shrink:0;transition:transform .22s}details[open]>summary:after{transform:rotate(225deg)}details{margin-top:18px}.library>summary{font-size:16px}.library>summary .hint{margin-left:6px}.library{padding:12px 24px}.library[open]{padding-bottom:24px}.library[open]>summary{margin-bottom:16px}.library details{border-top:1px solid var(--line);padding-top:10px}.library-list{gap:16px}.library-item{border-color:var(--line);border-radius:6px;background:#f8fafb;padding:20px}.library-item button{margin:4px 6px 4px 0}.library-item h3{font-size:15px}.library form{max-width:720px}#library-example{margin-top:16px}.diagnostics{border-top:1px solid var(--line);padding-top:8px;color:var(--muted)}pre{padding:16px;background:#eaf0f4;border-radius:6px;overflow:auto;max-height:300px}.capabilities ul{padding-left:18px;color:var(--muted);line-height:1.8}.capabilities li{margin:8px 0}
.video-box,canvas{border-radius:6px;background:#082b40}.panel-title{align-items:baseline;flex-wrap:wrap}.video-box p{padding:0 20px;color:#c5d7df}#workspace>.toolbar{padding:12px;background:#fff;border:1px solid var(--line);border-radius:8px}#workspace>.grid .card{padding:20px}#guidance-controls>button,#guidance-controls>.file{margin:4px 5px 4px 0}#guidance-controls>.file{display:inline-flex;align-items:center}.tool-row{gap:16px}.procedure-panel{background:#f1f7f7;border:1px solid #bfd8dc;border-radius:6px}.procedure-panel button{margin:4px 5px 4px 0}.procedure-panel li[aria-current]{color:#006972}.admin-grid{grid-template-columns:280px minmax(0,1fr);gap:24px}.user-row{grid-template-columns:minmax(140px,1fr) 110px 120px;gap:12px}.user-row>div:last-child{grid-column:1/-1;display:flex;gap:8px;flex-wrap:wrap}.admin-stats{gap:12px}.admin-stats span{background:#f3f7f9;border-color:var(--line);border-radius:4px}.audit-row{line-height:1.6}.user-email{font-size:13px}.device-record button{margin:4px 8px 4px 0}#device-register,#device-end{margin:4px 8px 4px 0}#error:empty,#admin-message:empty,#library-message:empty{display:none}
@keyframes enter-panel{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}main{animation:enter-panel .32s ease-out}#assist-view:not([hidden]),#devices-view:not([hidden]),#workspace:not([hidden]),#invite:not([hidden]),#join:not([hidden]){animation:enter-panel .24s ease-out}
@media(max-width:950px){.admin-grid{grid-template-columns:1fr}.admin-grid aside{display:grid;grid-template-columns:1fr 1fr;gap:20px}.grid{grid-template-columns:1fr}}
@media(max-width:600px){header{padding:16px 20px;gap:12px;flex-wrap:wrap}.brand img{width:164px}.account-bar{padding:10px 20px;gap:12px;justify-content:flex-start;overflow-wrap:anywhere}main{padding:22px 20px}h1{font-size:26px}.heading{gap:12px;align-items:flex-start}.card,#setup{padding:20px}.library{padding:10px 18px}#workspace-nav{gap:22px;margin-bottom:24px}#workspace-nav button{font-size:12px}.library>summary{flex-wrap:wrap;gap:4px 12px}.library>summary .hint{margin-left:0;font-size:11px}.library>summary:after{position:absolute;right:20px}.library>summary{position:relative;padding-right:28px}.tool-row{flex-direction:column;gap:0}.admin-grid aside{display:block}.user-row{grid-template-columns:1fr 1fr}.user-email{grid-column:1/-1}.app-language select{min-width:122px}.danger{margin-left:0}.panel-title span{margin-bottom:12px}#duration{margin-left:auto}.toolbar button{flex-grow:1}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
.control-group{display:flex;gap:8px;flex-wrap:wrap;padding:12px 0;border-top:1px solid var(--line);align-items:center}.control-group .file{margin:0;display:inline-flex;align-items:center;position:relative}.file input[type=file]{display:block;position:absolute;width:1px;height:1px;min-height:0;padding:0;margin:0;opacity:0;overflow:hidden}.control-group button{flex:0 1 auto}#pdf-controls{display:flex;gap:8px;margin:12px 0}#guidance-controls>.tool-row{border-top:1px solid var(--line)}#guidance-controls .control-group:last-child{padding-bottom:0}#guidance-controls .control-group:last-child #download{margin-left:auto}
.file:has(input:disabled){background:#f2f5f7;color:#73828d;border-color:#e0e6eb;cursor:not-allowed;box-shadow:none;transform:none}
@media(min-width:601px){.user-row{grid-template-columns:minmax(140px,1fr) 175px 130px}}
#device-checks label{padding:12px 0;margin:0;border-bottom:1px solid var(--line)}#device-checks small{display:block;margin:4px 0 0 24px;color:var(--muted);font-weight:400}#device-editor{max-width:900px}#device-form>button{margin:18px 8px 0 0}#device-records{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,320px),1fr));gap:18px}#device-records .card{margin:0}#device-live-panel[open]>summary{margin-bottom:16px}#device-message:empty{display:none}
/* A working tool shelf: direct selection, readable labels, explicit pressed states. */
#guidance-controls>.tool-row{display:block;padding:16px 0;border-top:1px solid var(--line)}
.drawing-tools{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:6px;padding:6px;background:#e9eff3;border:1px solid #c7d3dc;border-radius:7px}
.drawing-tools button{display:flex;align-items:center;justify-content:center;gap:8px;min-height:44px;background:transparent;border:1px solid transparent;border-radius:4px;font-size:12px;font-weight:600;box-shadow:none;padding:9px 8px}
.drawing-tools button svg{width:18px;height:18px;flex-shrink:0;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.drawing-tools button[aria-pressed=true]{background:#003153;color:#fff;border-color:#003153;box-shadow:0 1px 3px #00315325}
.drawing-tools button:not(:disabled):hover{background:#d5e2e9;border-color:#b3c6d1;box-shadow:none}
.drawing-tools button[aria-pressed=true]:not(:disabled):hover{background:#114967;color:white;border-color:#114967}
.drawing-tools button:disabled{color:#6a7d89;background:transparent;border-color:transparent;cursor:not-allowed}
.drawing-tools button[aria-pressed=true]:disabled{background:#d2dce3;color:#536876;border-color:#c0cdd6}
.annotation-field{margin:14px 0 0;animation:enter-panel .18s ease-out}.annotation-field input{max-width:none}
input:not([type=checkbox]):not([type=file]),select,textarea{border-color:#91a5b3;background-color:#fafcfd;box-shadow:inset 0 1px 2px #00315305;font-weight:450}
input:not([type=checkbox]):not([type=file]):focus,select:focus,textarea:focus{background-color:#fff;border-color:#007e87;box-shadow:0 0 0 3px #007e8714}
select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='m4 6 4 4 4-4' fill='none' stroke='%23003153' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;background-size:16px;padding-right:38px;cursor:pointer}
select:disabled,input:disabled,textarea:disabled{background-color:#f0f3f5;color:#657985;border-color:#d1dce3;cursor:not-allowed}
label{font-weight:600;line-height:1.5}input::placeholder,textarea::placeholder{color:#637a89;font-weight:400}
.app-language select{background-color:#fafcfd;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='m4 6 4 4 4-4' fill='none' stroke='%23003153' stroke-width='1.6'/%3E%3C/svg%3E");border-color:#91a5b3;padding-right:36px}
@media(min-width:1500px){.drawing-tools{grid-template-columns:repeat(6,minmax(0,1fr))}}
@media(forced-colors:active){.drawing-tools button[aria-pressed=true]{outline:2px solid Highlight}select{appearance:auto;background-image:none}}